Thread: Light Primer Strikes

Originally Posted by johnd

Make of it what you will, here is a link to a report on primer cups and their thicknesss. In summary all large rifle primers are .027 thou thick, with the possibilty of Military ones being thicker

Small rifle primers mostly are 0.020 thou to.025 thou with CCI BR4's being the thickest

Dont shoot the mesenger its info from the web and as such is subject to variables.

https://www.accurateshooter.com/tech...0%B3%20thick.)

Also a possibility that despite all being the same thickness, there may be differences in hardness.